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Distance, shape and more: recognition of object features during active electrolocation in a weakly electric fish
SUMMARY In the absence of light, the weakly electric fish Gnathonemus petersii detects and distinguishes objects in the environment through active electrolocation. In order to test which features ofExpand
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Functional foveae in an electrosensory system
Several species of Mormyrid weakly electric fish have a mobile chin protuberance that serves as a mobile antenna during prey detection, tracking behaviors, and foraging for food. It has been proposedExpand
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The Midbrain Precommand Nucleus of the Mormyrid Electromotor Network
The functional role of the midbrain precommand nucleus (PCN) of the electromotor system was explored in the weakly electric mormyrid fishGnathonemus petersii, using extracellular recording of fieldExpand
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Photonic Crystal Light Collectors in Fish Retina Improve Vision in Turbid Water
Seeing in the Dark Elephantnose fish are known to use electrosensing to navigate their murky freshwater environment. However, unlike some other animals from dark environments, they have retainedExpand
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Waveform tuning of electroreceptor cells in the weakly electric fish, Gnathonemus petersii
Abstract Electroreceptive afferents from A- and B-electroreceptor cells of mormyromasts and Knollenorgans were tested for their sensitivity to different stimulus waveforms in the weakly electric fishExpand
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Electrocommunication behaviour during social interactions in two species of pulse-type weakly electric fishes (Mormyridae).
This study compares electrocommunication behaviour in groups of freely swimming weakly electric fishes of two species, Marcusenius altisambesi and Mormyrus rume. Animals emitted variable temporalExpand
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Distance discrimination during active electrolocation in the weakly electric fish Gnathonemus petersii
Abstract. Weakly electric fish use active electrolocation for orientation at night. They emit electric signals (electric organ discharges) which generate an electrical field around their body. ByExpand
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Active sensing in a mormyrid fish: electric images and peripheral modifications of the signal carrier give evidence of dual foveation
SUMMARY Weakly electric fish generate electric fields with an electric organ and perceive them with cutaneous electroreceptors. During active electrolocation, nearby objects are detected by theExpand
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Non-visual environmental imaging and object detection through active electrolocation in weakly electric fish.
Weakly electric fish orient at night by employing active electrolocation. South American and African species emit electric signals and perceive the consequences of these emissions with epidermalExpand
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Cross-modal object recognition and dynamic weighting of sensory inputs in a fish
Significance Being able to spontaneously recognize objects across different senses increases the flexibility of a multisensory system, because the reliability of different sensory inputs depends onExpand
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